quassin
 CAS: 76-78-8  EC: 200-985-9
Use(s): cosmetic agents
(-)-quebrachitol
 CAS: 642-38-6
Use(s): natural substances and extractives
 quercetagetin
 CAS: 90-18-6  EC: 201-973-6
Use(s): natural substances and extractives
 quercetagetin-7-O-glucoside
 CAS: 548-75-4
Use(s): information only not used for fragrances or flavors
 quercetin
 CAS: 117-39-5  EC: 204-187-1
Use(s): food additive and cosmetic agents
isoquercetin
 CAS: 21637-25-2  EC: 244-488-5  FEMA: 4225
Use(s): antioxidants and preservatives
 quercetin 3-methyl ether
 CAS: 1486-70-0
Use(s): natural substances and extractives
 quercetin dihydrate
 CAS: 6151-25-3
Use(s): natural substances and extractives
 quercetin-3-O-glucopyranoside
 CAS: 482-35-9
Use(s): pharmaceuticals / chemical synthisis
 quercetin-3-O-glucose-6''-acetate
 CAS: 54542-51-7
Use(s): information only not used for fragrances or flavors
 quercetin-3,4'-di-O-glucoside
 CAS: 29125-80-2
Use(s): information only not used for fragrances or flavors
 quercetin-3,4'-dimethyl ether
 CAS: 33429-83-3
Use(s): natural substances and extractives
 quercimeritrin
 CAS: 491-50-9
Use(s): natural substances and extractives
dextro-quercitol
 CAS: 488-73-3
Use(s): natural substances and extractives
 quercitrin
 CAS: 522-12-3  EC: 208-322-5
Use(s): natural substances and extractives
(Z,E)-quince oxepane
 CAS: 130021-99-7
Use(s): natural substances and extractives
(E,E)-4-quince oxepane
 CAS: 131320-18-8
Use(s): natural substances and extractives
 quinic acid
 CAS: 36413-60-2  EC: 253-023-5
Use(s): buffering agents
dextro-(-)-quinic acid
 CAS: 77-95-2  EC: 201-072-8
Use(s): buffering agents
 quinidine
 CAS: 56-54-2  EC: 200-279-0
Use(s): natural substances and extractives
 quinidine sulfate
 CAS: 50-54-4  EC: 200-046-3
Use(s): natural substances and extractives
 quinine
 CAS: 130-95-0  EC: 205-003-2
Use(s): cosmetic agents
 quinoline
 CAS: 91-22-5  EC: 202-051-6  FEMA: 3470
Use(s): information only not used for fragrances or flavors
isoquinoline
 CAS: 119-65-3  EC: 204-341-8  FEMA: 2978  JECFA: 1303  FLAVIS: 14.001
Use(s): flavoring agents and adjuvants
 quinoxaline
 CAS: 91-19-0  EC: 202-047-4
Use(s): flavoring agents